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Smarty
The discussions here are for Smarty, a template engine for the PHP programming language.
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g00fy
Smarty Rookie
Joined: 07 Dec 2005
Posts: 19
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 Posted: Sat Dec 05, 2009 9:57 pm Post subject: sprintf-like module |
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I called it function.sprintf.php (and I use it succesfully with Smarty 3):
| Code: | <?php
function smarty_function_sprintf($params, $smarty, $template)
{
if ( !isset($params['format']) )
{
trigger_error("sprintf: required parameter 'format' missing.", E_USER_WARNING);
return false;
}
$fmt = $params['format'];
$fmt_e = explode('%', $fmt);
# Do NOT skip the first element when the first character is '%'
$skip_next = substr($fmt, 0, 1) != '%';
foreach( $fmt_e as $idx => $piece )
{
if ( $skip_next )
{
$skip_next = false;
continue;
}
if ( $piece == '' ) // %%
{
unset($fmt_e[$idx]);
$skip_next = true;
continue;
}
# read name until next space
$name = '';
for( $i = 0, $total = strlen($piece); $i < $total; ++$i )
{
if ( strpos(" \r\t\n", $piece{$i}) !== false )
break;
$name .= $piece{$i};
}
if ( !isset($params[$name]) )
{
trigger_error( "sprintf: unknown argument '%{$name}'.", E_USER_WARNING );
continue;
}
$fmt_e[$idx] = $params[$name] . substr($piece, strlen($name));
}
return implode($fmt_e);
} |
Usage:
| Code: | | {sprintf format="Hallo %World, it is now %hour o'clock" World="Someone out there" hour="{$some_date|date_format:"%H"}"} |
Depending on the $some_date variable you can get something like this:
| Code: | | Hallo Someone out there, it is now 12 o'clock |
For those who like it : enjoy.
For those who don't, please mail me at /dev/null. |
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mohrt
Administrator
Joined: 16 Apr 2003
Posts: 7047
Location: Lincoln Nebraska, USA
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| Posted: Sat Dec 05, 2009 11:41 pm Post subject: |
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Or directly as modifier:
{"Hallo %s, it is now %s o'clock"|sprintf:"Someone out there":{$some_date|date_format:"%H"}}
or directly as func:
{sprintf("Hallo %s, it is now %s o'clock","Someone out there",$some_date|date_format:"%H")} |
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g00fy
Smarty Rookie
Joined: 07 Dec 2005
Posts: 19
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| Posted: Sun Dec 06, 2009 4:17 pm Post subject: |
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| Or that of course, but I needed to work with the %year etc, because "%s" is too abstract to be used at i10n in combination with endusers. |
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bimal
Smarty Elite
Joined: 19 Apr 2007
Posts: 419
Location: Kathmandu, Nepal
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| Posted: Mon Dec 14, 2009 8:07 pm Post subject: PHP Default sprintf |
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Using PHP's default sprintf would be better, when we are working with unknown number of parameters.
If we write a plugin in like sprintf ourselves, we have to handle the number of parameters in advance.
| Code: | | {'Hello %s, The time is: %s'|sprintf:$name:$time} |
If sprintf is a PHP default, then, we can write any number of paramters seprated with a colon ( : ).
And g00fy's attempt is respectable - but I suggest to rename this, as sprintf is already available.
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